I ought to ignite you ought to ignite he ought to ignite we ought to ignite you ought to ignite they ought to ignite
V-ing form
I ought to be igniting you ought to be igniting he ought to be igniting we ought to be igniting you ought to be igniting they ought to be igniting
Perfect
I ought to have ignited you ought to have ignited he ought to have ignited we ought to have ignited you ought to have ignited they ought to have ignited
V-ing perfect
I ought to have been igniting you ought to have been igniting he ought to have been igniting we ought to have been igniting you ought to have been igniting they ought to have been igniting
Negation
Simple form
I oughtn't to ignite you oughtn't to ignite he oughtn't to ignite we oughtn't to ignite you oughtn't to ignite they oughtn't to ignite
V-ing form
I oughtn't to be igniting you oughtn't to be igniting he oughtn't to be igniting we oughtn't to be igniting you oughtn't to be igniting they oughtn't to be igniting
Perfect
I oughtn't to have ignited you oughtn't to have ignited he oughtn't to have ignited we oughtn't to have ignited you oughtn't to have ignited they oughtn't to have ignited
V-ing perfect
I oughtn't to have been igniting you oughtn't to have been igniting he oughtn't to have been igniting we oughtn't to have been igniting you oughtn't to have been igniting they oughtn't to have been igniting
Interrogative form
Simple form
ought to I ignite? ought to you ignite? ought to he ignite? ought to we ignite? ought to you ignite? ought to they ignite?
V-ing form
ought to I be igniting? ought to you be igniting? ought to he be igniting? ought to we be igniting? ought to you be igniting? ought to they be igniting?
Perfect
ought to I have ignited? ought to you have ignited? ought to he have ignited? ought to we have ignited? ought to you have ignited? ought to they have ignited?
V-ing perfect
ought to I have been igniting? ought to you have been igniting? ought to he have been igniting? ought to we have been igniting? ought to you have been igniting? ought to they have been igniting?
Interro-negative form
Simple form
oughtn't I to ignite? oughtn't you to ignite? oughtn't he to ignite? oughtn't we to ignite? oughtn't you to ignite? oughtn't they to ignite?
V-ing form
oughtn't I to be igniting? oughtn't you to be igniting? oughtn't he to be igniting? oughtn't we to be igniting? oughtn't you to be igniting? oughtn't they to be igniting?
Perfect
oughtn't I to have ignited? oughtn't you to have ignited? oughtn't he to have ignited? oughtn't we to have ignited? oughtn't you to have ignited? oughtn't they to have ignited?
V-ing perfect
oughtn't I to have been igniting? oughtn't you to have been igniting? oughtn't he to have been igniting? oughtn't we to have been igniting? oughtn't you to have been igniting? oughtn't they to have been igniting?